On the 



Physics & Physiology of 



Protoplasmic Streaming 



in Plants 



By Alfred J. Ewart, D.Sc., Ph.D., F.L.S. 



Lecturer on Botany in the Birmingham Technical Institute 



Communicated to the Royal Society by 



Francis Gotch, D.Sc. (Oxon.), F.R.S. 



With seventeen illustrations 



of California 



Sonthera California LabarutOfl 



OF 



Plant Pathology 



Oxford 

 At the Clarendon Press 



MDCCCCIII 



